Ixora auricularis Chun & F. C. How ex W. C. Ko (Rubiaceae) : a new record to flora of Vietnam = Ixora auricularis Chun & F. C. How ex W. C. Ko : 베트남 미기록종

Abstract

Ixora auricularis (Rubiaceae), previously recognized as endemic to Yunnan (China), was reported in Vietnam. This plant differs from the closely related species Ixora coccinea in its auriculate shape of the base leaf, greater number of secondary veins, shorter stipules, calyx having more appendices, shorter corolla tube, and the oblanceolata shape of the corolla tip. Detailed information about its description as well as illustrations, color photographs and a species key of related species of Ixora in Vietnam are provided.